(L-R)Tom Allon, Bill de Blasio,John Liu, Christine Quinn, Scott Stringer,...

(L-R)Tom Allon, Bill de Blasio,John Liu, Christine Quinn, Scott Stringer, Bill Thompson/Ivan Pereira Credit: (L-R)Tom Allon, Bill de Blasio,John Liu, Christine Quinn, Scott Stringer, Bill Thompson/Ivan Pereira

It looks like next year's mayoral race won't be a one party contest.

Manhattan Media publisher and mayoral candidate Tom Allon announced Monday that he registered as a Republican.

"New York City has been blessed with leaders who put progress, reform and good government ahead of party," he said outside the Museum of Natural History.

Allon was originally going to run in the Democratic primary against several potential candidates including City Council Speaker Christine Quinn, Manhattan Borough President Scott Stringer, Public Advocate Bill de Blasio, City Comptroller John Liu and former City Comptroller Bill Thompson.

The media publisher called his potential opponents the "silent five" because they haven't opened up about their plans to improve the city if elected.

A spokesman for John Liu wished Allon "the best in his endeavors," while representatives for the other possible candidates declined to comment about Allon's switch.

Daniel W. Isaacs, the chair of New York Republican County Committee, welcomed Allon's party change but didn't endorse him for the mayor's race.

A Newsday review turned up half a dozen instances of unidentified remains found on LI in the early '90s — a period when the admitted serial killer began committing murders. NewsdayTV’s Shari Einhorn hosts a discussion with Suffolk County District Attorney Ray Tierney and Newsday criminal justice reporter Anthony DeStefano.  Credit: Newsday Studios; News12/ Pool. Photo Credit: Newsday/ James Carbone; Suffolk County District Attorney; North Shore High School

'We treat each of these cases individually' A Newsday review turned up half a dozen instances of unidentified remains found on LI in the early '90s — a period when the admitted serial killer began committing murders. NewsdayTV's Shari Einhorn hosts a discussion with Suffolk County District Attorney Ray Tierney and Newsday criminal justice reporter Anthony DeStefano.

A Newsday review turned up half a dozen instances of unidentified remains found on LI in the early '90s — a period when the admitted serial killer began committing murders. NewsdayTV’s Shari Einhorn hosts a discussion with Suffolk County District Attorney Ray Tierney and Newsday criminal justice reporter Anthony DeStefano.  Credit: Newsday Studios; News12/ Pool. Photo Credit: Newsday/ James Carbone; Suffolk County District Attorney; North Shore High School

'We treat each of these cases individually' A Newsday review turned up half a dozen instances of unidentified remains found on LI in the early '90s — a period when the admitted serial killer began committing murders. NewsdayTV's Shari Einhorn hosts a discussion with Suffolk County District Attorney Ray Tierney and Newsday criminal justice reporter Anthony DeStefano.

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